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Finding the Fourth Proportional to 55,998.76, 83,999.76 and 14,445.76

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Solution

The fourth proportional to 55,998.76, 83,999.76 and 14,445.76 is: 21,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,998.76 : 83,999.76 = 14,445.76 : x
  2. Step 2: Convert to fraction form
    55,998.76/83,999.76 = 14,445.76/x
  3. Step 3: Cross multiply
    55,998.76x = 83,999.76 × 14,445.76
  4. Step 4: Simplify right side
    55,998.76x = 1,213,440,373.02
  5. Step 5: Solve for x
    x = 1,213,440,373.02/55,998.76
  6. Step 6: Final answer
    x = 21,669.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.